The author of this poem described how the title character "came upon me as 
The author of this poem described how the title character "came upon me as a kind of dream," prompting him to start and finish this poem in one day. This work describes grass that looks "kneaded up with blood" whose blades "pricked the mud." Three stanzas of this poem describe how the narrator fords a river during which he is afraid to set his "foot upon a dead man's cheek" before he encounters two hills that look like "two bulls locked horn in horn in fight." After performing the title action, the narrator sees his friends "in a sheet of fame." With a title taken from (*) Edward's Song in King Lear, it begins with its narrator asking directions from a "hoary cripple" who points him off to the title structure. Ending with the speaker putting a slug-horn to his lips, for 10 points, name this Robert Browning poem whose title character is taken from a chanson de geste. [Ike]
The author of this poem described how the title character "came upon me as a kind of dream," prompting him to start and finish this poem in one day.
"{Childe Roland} to the {Dark Tower} Came"